2727990661397 has 16 divisors (see below), whose sum is σ = 2887053792000. Its totient is φ = 2570513330880.

The previous prime is 2727990661391. The next prime is 2727990661423. The reversal of 2727990661397 is 7931660997272.

It is a cyclic number.

It is not a de Polignac number, because 2727990661397 - 2²⁸ = 2727722225941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2727990661391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2114372 + ... + 3150642.

It is an arithmetic number, because the mean of its divisors is an integer number (180440862000).

Almost surely, 2^{2727990661397} is an apocalyptic number.

It is an amenable number.

2727990661397 is a deficient number, since it is larger than the sum of its proper divisors (159063130603).

2727990661397 is a wasteful number, since it uses less digits than its factorization.

2727990661397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037036.

The product of its (nonzero) digits is 108020304, while the sum is 68.

The spelling of 2727990661397 in words is "two trillion, seven hundred twenty-seven billion, nine hundred ninety million, six hundred sixty-one thousand, three hundred ninety-seven".